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282989686980 = 2235711133124903
BaseRepresentation
bin1000001111000110111…
…11111111000011000100
31000001110001000121000210
410013203133333003010
514114030324440410
6334000443035420
726305514436120
oct4074337770304
91001401017023
10282989686980
11aa019334370
1246a1880bb70
13208bb967330
14d9a7d3a580
15756414b220
hex41e37ff0c4

282989686980 has 576 divisors, whose sum is σ = 1099532980224. Its totient is φ = 52518067200.

The previous prime is 282989686979. The next prime is 282989686999. The reversal of 282989686980 is 89686989282.

282989686980 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 57715209 + ... + 57720111.

It is an arithmetic number, because the mean of its divisors is an integer number (1908911424).

Almost surely, 2282989686980 is an apocalyptic number.

282989686980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 282989686980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549766490112).

282989686980 is an abundant number, since it is smaller than the sum of its proper divisors (816543293244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

282989686980 is a wasteful number, since it uses less digits than its factorization.

282989686980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008 (or 4975 counting only the distinct ones).

The product of its (nonzero) digits is 429981696, while the sum is 75.

It can be divided in two parts, 282989 and 686980, that added together give a palindrome (969969).

The spelling of 282989686980 in words is "two hundred eighty-two billion, nine hundred eighty-nine million, six hundred eighty-six thousand, nine hundred eighty".